Resubmissions

22/05/2026, 16:14

260522-tp24dsbx514

22/05/2026, 16:11

260522-tmyyysbw4w4

Analysis

  • user interaction
    yes
  • max time kernel
    39s
  • max time network
    43s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 16:14

General

  • Target
    http://eucore.aiflowads.top
  • Sample260522-tp24dsbx51
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://eucore.aiflowads.top
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x23c,0x240,0x244,0x238,0x24c,0x7ffefae3c188,0x7ffefae3c194,0x7ffefae3c1a0
      2⤵
        PID:2588
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=1788,i,9307230986108082279,9678312537053032332,524288 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=2164 /prefetch:11
        2⤵
        • System Time Discovery
        PID:4676
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=1584,i,1873449229777667297,16792327992775524658,262144 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=2132 /prefetch:2
        2⤵
          PID:4088
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2556,i,14981135640928231002,370129082012910409,524288 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=2684 /prefetch:13
          2⤵
            PID:5344
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --metrics-shmem-handle=3444,i,13169861642264736526,15280738950269627405,2097152 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=3496 /prefetch:1
            2⤵
              PID:3016
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --metrics-shmem-handle=3468,i,14519499124949621157,207340117779062436,2097152 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=3556 /prefetch:1
              2⤵
                PID:5924
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --always-read-main-dll --metrics-shmem-handle=4956,i,10323206975883711913,7217549967753992355,2097152 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=4896 /prefetch:1
                2⤵
                  PID:4388
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --always-read-main-dll --metrics-shmem-handle=4972,i,17183163390841057800,10469757550389202117,2097152 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=4988 /prefetch:1
                  2⤵
                    PID:1560
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=3492,i,6071278163216578412,15636544703600050959,524288 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:14
                    2⤵
                      PID:5208
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=3588,i,13434601487818146144,12162409807475703753,524288 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=3704 /prefetch:14
                      2⤵
                        PID:4988
                      • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5620,i,13657025074681054544,12668255455264881125,524288 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=5640 /prefetch:14
                        2⤵
                          PID:5604
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.ProfileImport --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5708,i,8778367737356750885,7617355132324833701,524288 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=5712 /prefetch:14
                          2⤵
                          • Suspicious use of WriteProcessMemory
                          PID:5800
                          • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe
                            cookie_exporter.exe --cookie-json=1128
                            3⤵
                              PID:6000
                          • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5620,i,13657025074681054544,12668255455264881125,524288 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=5640 /prefetch:14
                            2⤵
                              PID:2712
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6268,i,16335981440645037514,12615116395584986086,524288 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=6260 /prefetch:14
                              2⤵
                                PID:888
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6276,i,6831178448961051919,1574771386182976766,524288 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=6216 /prefetch:14
                                2⤵
                                  PID:3308
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6280,i,2189836615619962364,17528798866828291048,524288 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=6228 /prefetch:14
                                  2⤵
                                    PID:5372
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --always-read-main-dll --metrics-shmem-handle=3640,i,16180976001593198865,9956040816003692106,2097152 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=4952 /prefetch:1
                                    2⤵
                                      PID:3648
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --always-read-main-dll --metrics-shmem-handle=5020,i,18439799323498432252,8132578117748914404,2097152 --field-trial-handle=2136,i,7140780227516627096,18032035166668797488,262144 --variations-seed-version --mojo-platform-channel-handle=4968 /prefetch:1
                                      2⤵
                                        PID:4344
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
                                      1⤵
                                        PID:5776
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window --win-session-start
                                        1⤵
                                          PID:3252

                                        Network

                                              MITRE ATT&CK Enterprise v16

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              settings.dat

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                              • Size 280B
                                              • SHA256 90371bf7f2d9f3b60c0aa66ed89740cd725604cc541112971bd392e8746018f0
                                              • MD5 SHA1 SHA512 TLSH

                                              settings.dat

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                              • Size 280B
                                              • SHA256 b24846f4bb01e57dd47994ee8ca33e14a6a356938971c33205ed76a4fe3c7b61
                                              • MD5 SHA1 SHA512 TLSH

                                              BookmarkMergedSurfaceOrdering

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BookmarkMergedSurfaceOrdering
                                              • Size 6B
                                              • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                                              • MD5 SHA1 SHA512

                                              BrowsingTopicsState

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BrowsingTopicsState
                                              • Size 649B
                                              • SHA256 e5bfcf5196b38be4d87eccc1a2378dd3160bae683e26f32557d4033ec87eee1d
                                              • MD5 SHA1 SHA512 TLSH

                                              SiteList-Enterprise.json

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\SiteList-Enterprise.json
                                              • Size 2B
                                              • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                              • MD5 SHA1 SHA512

                                              HubApps

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\HubApps
                                              • Size 106KB
                                              • SHA256 eb2fd7422436fff93f6be09df3294b26cdb7afd18e6aa94dcdc0f208db78b2ed
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              SCT Auditing Pending Reports

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
                                              • Size 2B
                                              • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                              • MD5 SHA1 SHA512

                                              Sdch Dictionaries

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
                                              • Size 40B
                                              • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                              • MD5 SHA1 SHA512

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                              • Size 15KB
                                              • SHA256 41e564191d2165e81ffec4e5186696f6c04f4226bc3f3530f5f40ac3cac725b3
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Secure Preferences

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                              • Size 36KB
                                              • SHA256 c0fded08c2130319574c3ffa0cda333227a5701cfcfcde1b4d66b427f88ab059
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              sync_diagnostic.log

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log
                                              • Size 23KB
                                              • SHA256 76b5a1f9a7ed09b18be3ca3178428002abfb9539ab78b7d293cbc6c73af9083b
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 24KB
                                              • SHA256 9e7061c4d2a0d2bca04af3543e8effb18c08a382ffa7cc23ce017b532e0045f5
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 28KB
                                              • SHA256 dc4cdbb371946ff058d8fcc950fb7176705cf1e49638389e5437f456b272414c
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 28KB
                                              • SHA256 c92c7aaff3b9787a7d81d14e3955c82835fe00286f90f4baa3491f7530a985cf
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 26KB
                                              • SHA256 1c226ae9b44012bed6af306616e966fa04ccec8274732c8692d8c2aea4896b4e
                                              • MD5 SHA1 SHA512 SSDEEP TLSH